# 静电力常量k
k = 8.987551e9

bodyAndShape = []
# 场源电荷的列表，元素为[x坐标,y坐标,电荷量]
SourcePosArr = [[470,40,10],[470,240,10],[470,440,10],
                [270,40,10],[270,240,10],[270,440,10],
                [70,40,-10],[70,240,-10],[70,440,-10],
                [200,300,-30]]
count = 0